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  • Photoelectric emission occurs only when the incident light has more than a certain minimum  Option: 1  power  

Photoelectric emission occurs only when the incident light has more than a certain minimum
 

Option: 1

 power
 


Option: 2

wavelength
 


Option: 3

 intensity
 


Option: 4

 frequency
 


Answers (1)

best_answer

For occurrence of photoelectric effect, the incident light should have frequency more than a certain minimum which is called the threshold frequency \left(\mathrm{\nu}_0\right).

We have, \frac{1}{2} \mathrm{mv}^2=\mathrm{h\nu}-\mathrm{h\nu}_0

For photoelectric effect emission \mathrm{\nu}>\mathrm{\nu}_0

where \mathrm{\nu} is the frequency of the incident light.

Posted by

SANGALDEEP SINGH

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